Mathematics Exam Past Questions and Answers | JAMB, WAEC and NECO

Mathematics looks at measurement, relationships, and properties of numbers and groups using numbers and symbols. Important topics in math include arithmetic, algebra, geometry, and calculus.

• Question 591: Find the standard derivation of the following data -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5 Options:
  A) 2
  B) 3
  C) $\sqrt{10}$
  D) $\sqrt{11}$
  Show Answer
  The correct answer is C .
• Question 592: The cost of dinner for a group of students is partly constant and partly varies directly as the number of students. If the cost is ₦74.00 when the number of is 20 and ₦96.00 when the number is 30, find the cost when there are 15 students Options:
  A) ₦68.50
  B) ₦63.00
  C) ₦60.00
  D) ₦52.00
  Show Answer
  The correct answer is B .
• Question 593: Evaluate (2.813 x 10^-3 x 1.063) (5.637 x 10^-2) Options:
  A) 0.056
  B) 0.055
  C) 0.054
  D) 0.54
  Show Answer
  The correct answer is B .
• Question 594:

  

  The figure shows circles of radii 3cm and 2cm with centres at X and Y respectively. The circles have a transverse common tangent of length 25cm. Calculate XY.

  Options:
  A) $\sqrt{630}$cm
  B) $\sqrt{626}$cm
  C) $\sqrt{615}$cm
  D) $\sqrt{600}$cm
  Show Answer
  The correct answer is B .
• Question 595: In how many ways can the letters of the word ACCEPTANCE be arranged? Options:
  A) $\frac{10!}{2!2!3!}$
  B) $\frac{10!}{2!3!}$
  C) $\frac{10!}{2!2!}$
  D) $\frac{10!}{3!2!2!}$
  Show Answer
  The correct answer is D .
• Question 596:

  

  The shaded portion in the graph is represented by

  Options:
  A) y + x - x $\le$ 0, y - x $\le$ 0
  B) y - x + x, 3 $\le$ 0, y - x $\ge$ 0
  C) y + x - 3 $\ge$ 0, y + x $\le$ 0
  D) y - x + x3 $\ge$ 0, y + x $\le$ 0
  Show Answer
  The correct answer is C .
• Question 597: Calculate the perimeter, in cm, of a sector of a circle of radius 8cm and angle 45^o Options:
  A) 2$\pi$
  B) 8 + 2$\pi$
  C) 16 + 2$\pi$
  D) 16 + 16$\pi$
  Show Answer
  The correct answer is C .
• Question 598: if x is the addition of the prime numbers between 1 and 6; and y the H.C.F. of 6, 9, 15. Find the product of x and y Options:
  A) 27
  B) 30
  C) 33
  D) 90
  Show Answer
  The correct answer is B .
• Question 599:

  

  In the figure, PQRS is a circle. If chords QR and RS are equal, calculate the value of x.

  Options:
  A) 80${}^{\circ }$
  B) 60${}^{\circ }$
  C) 45${}^{\circ }$
  D) 40${}^{\circ }$
  Show Answer
  The correct answer is D .
• Question 600:

  

  PQRS is a desk of dimensions 2m $\times$ 0.8 which is inclined at 30${}^{\circ }$ to the horizontal. Find the inclination of the diagonal PR to the horizontal

  Options:
  A) 30${}^{\circ }$ 35'
  B) 30${}^{\circ }$ 32'
  C) 15${}^{\circ }$ 36'
  D) 10${}^{\circ }$
  E) 10${}^{\circ }$ 42'
  Show Answer
  The correct answer is E .